About the Number

120690

120689 ← → 120691

2進数表記:11101011101110010

漢数字表記:十二万六百九十

素因数分解:

2 1 × 3 4 × 5 1 × 149 1

素因数の和:168
約数の個数: 40
約数和(自身を含む): 326700
約数和(自身を除く): 206010

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 149, 162, 270, 298, 405, 447, 745, 810, 894, 1341, 1490, 2235, 2682, 4023, 4470, 6705, 8046, 12069, 13410, 20115, 24138, 40230, 60345, 120690]

約数ペア:
[(1, 120690), (2, 60345), (3, 40230), (5, 24138), (6, 20115), (9, 13410), (10, 12069), (15, 8046), (18, 6705), (27, 4470), (30, 4023), (45, 2682), (54, 2235), (81, 1490), (90, 1341), (135, 894), (149, 810), (162, 745), (270, 447), (298, 405)]

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